Aircraft Eligible for PMA Sealant

NSL1750 B2

Replacement for PRC-DeSoto Sealant PR-1750 B2

Below are the makes and models of aircraft that, per the FAA, NSL1750 B2 is eligible for use in replacement of PR-1750 B2.

Like all of our PMA sealants, NSL1750 B2 is a cost-saving alternative product that can be safely used in place of the original part. That’s because PMA manufacturers like us submit to a rigorous review process with the FAA in order to ensure that our parts are airworthy. With that approval, you can know that this PMA part will function the same or better than the OEM part. Find out more about PMA parts with our Introductory Guide to PMA Sealants.

NSL1750 B2 is a high-temperature, fuel resistant aviation sealant designed for fillet sealing of fuel tanks and other areas requiring a weathertight and fuel resistant seal.

NSL1750 B2 has an application life of 2 hours, tack free time of less than 20 hours, and cure time of less than 72 hours. Find packaging details on the NSL1750 B2 product page.